diff --git a/patches/msctf-ITfActiveLanguageProfileNotifySink/0001-msctf-Added-ITfActiveLanguageProfileNotifySink-suppo.patch b/patches/msctf-ITfActiveLanguageProfileNotifySink/0001-msctf-Added-ITfActiveLanguageProfileNotifySink-suppo.patch
new file mode 100644
index 00000000..8c30b28d
--- /dev/null
+++ b/patches/msctf-ITfActiveLanguageProfileNotifySink/0001-msctf-Added-ITfActiveLanguageProfileNotifySink-suppo.patch
@@ -0,0 +1,58 @@
+From dec04ef411b2ae2fa1eed07e447e0a1090191cee Mon Sep 17 00:00:00 2001
+From: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
+Date: Fri, 12 Jul 2019 09:50:00 +1000
+Subject: [PATCH] msctf: Added ITfActiveLanguageProfileNotifySink support in
+ ITfSource.
+
+Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=44502
+---
+ dlls/msctf/msctf_internal.h |  1 +
+ dlls/msctf/threadmgr.c      | 13 +++++++++++--
+ 2 files changed, 12 insertions(+), 2 deletions(-)
+
+diff --git a/dlls/msctf/msctf_internal.h b/dlls/msctf/msctf_internal.h
+index 9d37548361..35843eecf9 100644
+--- a/dlls/msctf/msctf_internal.h
++++ b/dlls/msctf/msctf_internal.h
+@@ -32,6 +32,7 @@
+ #define COOKIE_MAGIC_DMSINK 0x0070
+ #define COOKIE_MAGIC_THREADFOCUSSINK 0x0080
+ #define COOKIE_MAGIC_KEYTRACESINK 0x0090
++#define COOKIE_MAGIC_ACTIVELANGSINK 0x0100
+ 
+ extern DWORD tlsIndex DECLSPEC_HIDDEN;
+ extern TfClientId processId DECLSPEC_HIDDEN;
+diff --git a/dlls/msctf/threadmgr.c b/dlls/msctf/threadmgr.c
+index a9fcb5cd15..fac11e7a35 100644
+--- a/dlls/msctf/threadmgr.c
++++ b/dlls/msctf/threadmgr.c
+@@ -617,6 +617,13 @@ static HRESULT WINAPI ThreadMgrSource_AdviseSink(ITfSource *iface,
+         return advise_sink(&This->ThreadFocusSink, &IID_ITfThreadFocusSink, COOKIE_MAGIC_THREADFOCUSSINK, punk, pdwCookie);
+     }
+ 
++    if (IsEqualIID(riid, &IID_ITfActiveLanguageProfileNotifySink))
++    {
++        WARN("semi-stub for ITfActiveLanguageProfileNotifySink: sink won't be used.\n");
++        return advise_sink(&This->ActiveLanguageProfileNotifySink, &IID_ITfActiveLanguageProfileNotifySink,
++                            COOKIE_MAGIC_ACTIVELANGSINK, punk, pdwCookie);
++    }
++
+     if (IsEqualIID(riid, &IID_ITfKeyTraceEventSink))
+     {
+         WARN("semi-stub for ITfKeyTraceEventSink: sink won't be used.\n");
+@@ -636,8 +643,10 @@ static HRESULT WINAPI ThreadMgrSource_UnadviseSink(ITfSource *iface, DWORD pdwCo
+     TRACE("(%p) %x\n",This,pdwCookie);
+ 
+     magic = get_Cookie_magic(pdwCookie);
+-    if (magic != COOKIE_MAGIC_TMSINK && magic != COOKIE_MAGIC_THREADFOCUSSINK
+-        && magic != COOKIE_MAGIC_KEYTRACESINK)
++    if (magic != COOKIE_MAGIC_TMSINK &&
++        magic != COOKIE_MAGIC_THREADFOCUSSINK &&
++        magic != COOKIE_MAGIC_ACTIVELANGSINK &&
++        magic != COOKIE_MAGIC_KEYTRACESINK)
+         return E_INVALIDARG;
+ 
+     return unadvise_sink(pdwCookie);
+-- 
+2.17.1
+
diff --git a/patches/msctf-ITfActiveLanguageProfileNotifySink/definition b/patches/msctf-ITfActiveLanguageProfileNotifySink/definition
new file mode 100644
index 00000000..79daf41c
--- /dev/null
+++ b/patches/msctf-ITfActiveLanguageProfileNotifySink/definition
@@ -0,0 +1 @@
+Fixes: [44502] msctf: Added ITfActiveLanguageProfileNotifySink support in ITfSource.
diff --git a/patches/patchinstall.sh b/patches/patchinstall.sh
index 870bad7f..633a5948 100755
--- a/patches/patchinstall.sh
+++ b/patches/patchinstall.sh
@@ -172,6 +172,7 @@ patch_enable_all ()
 	enable_mmsystem_dll16_MIDIHDR_Refcount="$1"
 	enable_mountmgr_DosDevices="$1"
 	enable_mscoree_CorValidateImage="$1"
+	enable_msctf_ITfActiveLanguageProfileNotifySink="$1"
 	enable_mshtml_HTMLLocation_put_hash="$1"
 	enable_mshtml_TranslateAccelerator="$1"
 	enable_msi_msi_vcl_get_cost="$1"
@@ -647,6 +648,9 @@ patch_enable ()
 		mscoree-CorValidateImage)
 			enable_mscoree_CorValidateImage="$2"
 			;;
+		msctf-ITfActiveLanguageProfileNotifySink)
+			enable_msctf_ITfActiveLanguageProfileNotifySink="$2"
+			;;
 		mshtml-HTMLLocation_put_hash)
 			enable_mshtml_HTMLLocation_put_hash="$2"
 			;;
@@ -4498,6 +4502,21 @@ if test "$enable_mscoree_CorValidateImage" -eq 1; then
 	) >> "$patchlist"
 fi
 
+# Patchset msctf-ITfActiveLanguageProfileNotifySink
+# |
+# | This patchset fixes the following Wine bugs:
+# |   *	[#44502] msctf: Added ITfActiveLanguageProfileNotifySink support in ITfSource.
+# |
+# | Modified files:
+# |   *	dlls/msctf/msctf_internal.h, dlls/msctf/threadmgr.c
+# |
+if test "$enable_msctf_ITfActiveLanguageProfileNotifySink" -eq 1; then
+	patch_apply msctf-ITfActiveLanguageProfileNotifySink/0001-msctf-Added-ITfActiveLanguageProfileNotifySink-suppo.patch
+	(
+		printf '%s\n' '+    { "Alistair Leslie-Hughes", "msctf: Added ITfActiveLanguageProfileNotifySink support in ITfSource.", 1 },';
+	) >> "$patchlist"
+fi
+
 # Patchset mshtml-HTMLLocation_put_hash
 # |
 # | This patchset fixes the following Wine bugs: